Sound in air is the transfer of periodic movements between adjacent colliding atoms or molecules. This sonic energy typically expands away from the site of the collisions as a spherical or bubble-shaped emanation, the surface of which is in a state of radial oscillation. The sonic bubble expands and contracts with the same periodicities as the initiating sound source. The accepted model of ?sound waves? is incomplete because it uses the graphical representation of the mathematical law of sinusoidal energy, typically given as amplitude in the vertical axis versus time in the horizontal. While this is correct in terms of graphical depiction, it is not how the energy actually moves through space.
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